Beer, D. F. (1997). A guide to writing as an engineer. New York: John Wiley and Sons.
शिकागो स्टाइल उद्धरणBeer, David F. A Guide to Writing As an Engineer. New York: John Wiley and Sons, 1997.
एमएलए उद्धरणBeer, David F. A Guide to Writing As an Engineer. New York: John Wiley and Sons, 1997.
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